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ath10k: request credit report if flow control enabled on ep

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FW credit flow control is enabled for only WMI ctrl
service(CE3) but credit update is requested unconditionally
on all HTC services as part of HTC tx in CE3/CE0/CE4.

This is causing WOW failure as FW is not expecting credit
report request on other end-points(CE0/CE4).

Request credit report only on those endpoints where
credit flow control is enabled.

Testing:
    Tested on WCN3990 HW.
    Tested FW: WLAN.HL.2.0-01192-QCAHLSWMTPLZ-1.

Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Govind Singh
2019-02-08 14:55:35 +02:00
committed by Kalle Valo
parent de8781d7e7
commit c40e448e0b
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/ath/ath10k/htc.c
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@@ -88,7 +88,8 @@ static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
hdr->eid = ep->eid;
hdr->len = __cpu_to_le16(skb->len - sizeof(*hdr));
hdr->flags = 0;
hdr->flags |= ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE;
if (ep->tx_credit_flow_enabled)
hdr->flags |= ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE;
spin_lock_bh(&ep->htc->tx_lock);
hdr->seq_no = ep->seq_no++;